/* * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.print; import java.io.ByteArrayInputStream; public class AttributeClass { private String myName; private int myType; private int nameLen; private Object myValue; public static final int TAG_UNSUPPORTED_VALUE = 0x10; public static final int TAG_INT = 0x21; public static final int TAG_BOOL = 0x22; public static final int TAG_ENUM = 0x23; public static final int TAG_OCTET = 0x30; public static final int TAG_DATE = 0x31; public static final int TAG_RESOLUTION = 0x32; public static final int TAG_RANGE_INTEGER = 0x33; public static final int TAG_TEXT_LANGUAGE = 0x35; public static final int TAG_NAME_LANGUAGE = 0x36; public static final int TAG_TEXT_WO_LANGUAGE = 0x41; public static final int TAG_NAME_WO_LANGUAGE = 0x42; public static final int TAG_KEYWORD = 0x44; public static final int TAG_URI = 0x45; public static final int TAG_CHARSET = 0x47; public static final int TAG_NATURALLANGUAGE = 0x48; public static final int TAG_MIME_MEDIATYPE = 0x49; public static final int TAG_MEMBER_ATTRNAME = 0x4A; public static final AttributeClass ATTRIBUTES_CHARSET = new AttributeClass("attributes-charset", TAG_CHARSET, "utf-8"); public static final AttributeClass ATTRIBUTES_NATURAL_LANGUAGE = new AttributeClass("attributes-natural-language", TAG_NATURALLANGUAGE, "en"); /* * value passed in by IPPPrintService.readIPPResponse is a sequence * of bytes with this format * | length1 | byte1 | byte 2 | ... byten | length2 | byte1 ... byten | * : * | lengthN | byte1 ... byten | total number of values| */ protected AttributeClass(String name, int type, Object value) { myName = name; myType = type; nameLen = name.length(); myValue = value; } public byte getType() { return (byte)myType; } public char[] getLenChars() { char[] chars = new char[2]; chars[0] = 0; chars[1] = (char)nameLen; return chars; } /** * Returns raw data. */ public Object getObjectValue() { return myValue; } /** * Returns single int value. */ public int getIntValue() { byte[] bufArray = (byte[])myValue; if (bufArray != null) { byte[] buf = new byte[4]; for (int i=0; i<4; i++) { buf[i] = bufArray[i+1]; } return convertToInt(buf); } return 0; } /** * Returns array of int values. */ public int[] getArrayOfIntValues() { byte[] bufArray = (byte[])myValue; if (bufArray != null) { //ArrayList valList = new ArrayList(); ByteArrayInputStream bufStream = new ByteArrayInputStream(bufArray); int available = bufStream.available(); // total number of values is at the end of the stream bufStream.mark(available); bufStream.skip(available-1); int length = bufStream.read(); bufStream.reset(); int[] valueArray = new int[length]; for (int i = 0; i < length; i++) { // read length int valLength = bufStream.read(); if (valLength != 4) { // invalid data return null; } byte[] bufBytes = new byte[valLength]; bufStream.read(bufBytes, 0, valLength); valueArray[i] = convertToInt(bufBytes); } return valueArray; } return null; } /** * Returns 2 int values. */ public int[] getIntRangeValue() { int[] range = {0, 0}; byte[] bufArray = (byte[])myValue; if (bufArray != null) { int nBytes = 4; // 32-bit signed integer for (int j=0; j<2; j++) { // 2 set of integers byte[] intBytes = new byte[nBytes]; // REMIND: # bytes should be 8 for (int i=0; i< nBytes; i++) { //+ 1 because the 1st byte is length intBytes[i] = bufArray[i+(4*j)+1]; } range[j] = convertToInt(intBytes); } } return range; } /** * Returns String value. */ public String getStringValue() { //assumes only 1 attribute value. Will get the first value // if > 1. String strVal = null; byte[] bufArray = (byte[])myValue; if (bufArray != null) { ByteArrayInputStream bufStream = new ByteArrayInputStream(bufArray); int valLength = bufStream.read(); byte[] strBytes = new byte[valLength]; bufStream.read(strBytes, 0, valLength); try { strVal = new String(strBytes, "UTF-8"); } catch (java.io.UnsupportedEncodingException uee) { } } return strVal; } /** * Returns array of String values. */ public String[] getArrayOfStringValues() { byte[] bufArray = (byte[])myValue; if (bufArray != null) { ByteArrayInputStream bufStream = new ByteArrayInputStream(bufArray); int available = bufStream.available(); // total number of values is at the end of the stream bufStream.mark(available); bufStream.skip(available-1); int length = bufStream.read(); bufStream.reset(); String[] valueArray = new String[length]; for (int i = 0; i < length; i++) { // read length int valLength = bufStream.read(); byte[] bufBytes = new byte[valLength]; bufStream.read(bufBytes, 0, valLength); try { valueArray[i] = new String(bufBytes, "UTF-8"); } catch (java.io.UnsupportedEncodingException uee) { } } return valueArray; } return null; } /** * Returns single byte value. */ public byte getByteValue() { byte[] bufArray = (byte[])myValue; if ((bufArray != null) && (bufArray.length>=2)) { return bufArray[1]; } return 0; } /** * Returns attribute name. */ public String getName() { return myName; } public boolean equals(Object obj) { return obj != null && obj instanceof AttributeClass && obj.toString().equals (((AttributeClass) obj).toString()); } public String toString() { return myName; } private int unsignedByteToInt(byte b) { return (b & 0xff); } private int convertToInt(byte[] buf) { int intVal = 0; int pos = 0; intVal+= unsignedByteToInt(buf[pos++]) << 24; intVal+= unsignedByteToInt(buf[pos++]) << 16; intVal+= unsignedByteToInt(buf[pos++]) << 8; intVal+= unsignedByteToInt(buf[pos++]) << 0; return intVal; } }